1130256555 has 32 divisors (see below), whose sum is σ = 1836380160. Its totient is φ = 593523840.

The previous prime is 1130256541. The next prime is 1130256581. The reversal of 1130256555 is 5556520311.

It is not a de Polignac number, because 1130256555 - 2¹⁶ = 1130191019 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509629 + ... + 511841.

It is an arithmetic number, because the mean of its divisors is an integer number (57386880).

Almost surely, 2^1130256555 is an apocalyptic number.

1130256555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1130256555 is a deficient number, since it is larger than the sum of its proper divisors (706123605).

1130256555 is a wasteful number, since it uses less digits than its factorization.

1130256555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1130256555 is about 33619.2884368483. The cubic root of 1130256555 is about 1041.6592580878.

Adding to 1130256555 its reverse (5556520311), we get a palindrome (6686776866).

The spelling of 1130256555 in words is "one billion, one hundred thirty million, two hundred fifty-six thousand, five hundred fifty-five".